Shell of a motorcycle rear carrier unit



FIG. 1 is a top plan view of a shell of a motorcycle rear carrier unit showing our new design;

FIG. 2 is a side elevation view of the right side thereof;

FIG. 3 is a side elevation view of the left side thereof;

FIG. 4 is a back elevation view thereof; and

FIG. 5 is an oblique perspective view thereof.

The broken line showing of a motorcycle is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shell of a motorcycle rear carrier unit, as shown and described. 